.main,
.header>img {
    width: 100%;
}

.operate button {
    margin-left: 5px
}

.fixed-icon {
    max-width: 30px;
    color: white;
    border-radius: 5px;
    background-color: rgba(102, 153, 204, 1);
    text-align: center;
    z-index: 2;
}

.fixed-icon>.fix-main>span {
    margin: 0 auto;
}

.fixed-section {
    width: 260px;
    height: 100%;
    background: white;
    padding: 50px 30px 0 0;
    display: none;
}

.fixed {
    position: fixed;
    right: 0;
    top: 0;
}

.fixed-center {
    top: 50%;
}